廉价易制的手持式恒流532ｎｍ５０ｍｗ驱动制作
<P><STRONG><FONT face=宋体><FONT size=3>廉价易制的手持式恒流532ｎｍ５０ｍｗ驱动制作<o:p></o:p></FONT></FONT></STRONG></P><P><FONT face=宋体>（汗颜啊！刚才太激动看都没看就发到ｓｕｒｅｆｉｒｅ专区了，赶快纠正！）</FONT></P>
<P><FONT face=宋体>恒成的</FONT>532<FONT face=宋体>ｎｍ</FONT>50<FONT face=宋体>ｍｗ绿光到手已经有</FONT>7<FONT face=宋体>、</FONT>8<FONT face=宋体>天了，一直揣摩着改小一点，用</FONT>18650<FONT face=宋体>锂电供电，前天做到</FONT>6<FONT face=宋体>点加昨天下午上班的两个半小时，终于完工了，上几个图片大家欣赏一下：）<o:p></o:p></FONT></P>
<P><FONT face=宋体>首先是完成的壳体，已经同模组的散热器组装起来了。壳体是用1270电池槽外壳锯了一部分，加1270上盖片裁剪片胶合而成。</FONT></P>
<P><img src="attachments/dvbbs/2006-6/200661114391267942.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2006-6/200661114391267942.jpg\');}" onmousewheel="return imgzoom(this);" alt="" /><o:p></o:p></P>
<P><FONT face=宋体>侧后面，可以看见未封闭的两个腔体<o:p></o:p></FONT></P>
<P><img src="attachments/dvbbs/2006-6/200661114441562912.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2006-6/200661114441562912.jpg\');}" onmousewheel="return imgzoom(this);" alt="" /><o:p></o:p></P>
<P><FONT face=宋体>仔细看看放电路板的地方：）</FONT> <o:p></o:p></P>
<P><img src="attachments/dvbbs/2006-6/200661114451777035.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2006-6/200661114451777035.jpg\');}" onmousewheel="return imgzoom(this);" alt="" /><o:p></o:p></P>
<P><FONT face=宋体>从上面看电池腔，可以看见与模组连接的两个螺丝。</FONT></P>
<P><FONT face=宋体>为了防止同模组散热器相连的螺丝短路（我测量过模组散热器是同ｌｄ阴极相连的，而电池的外壳是负极，他们短路的话相当于是ｌｄ串1欧电阻后直接并联在电池两端，后果会十分可怕！）我用1270上盖片制作的塑料片垫了起来（大概1.2ｍｍ厚吧）。</FONT></P>
<P><img src="attachments/dvbbs/2006-6/200661114475896548.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2006-6/200661114475896548.jpg\');}" onmousewheel="return imgzoom(this);" alt="" /><o:p></o:p></P>
<P><FONT face=宋体>前面的输出镜我用硬币挡起来了，防止碰伤它。细心的人看见了吧：）我的ｌｄ端子用焊锡丝短路了，防止ｌｄ的意外损坏。<o:p></o:p></FONT></P>
<P><img src="attachments/dvbbs/2006-6/200661114495629570.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2006-6/200661114495629570.jpg\');}" onmousewheel="return imgzoom(this);" alt="" /><o:p></o:p></P>
<P><FONT face=宋体>这次的原理图、元件表和印板图，还有磨工好的印板<o:p></o:p></FONT></P>
<P><img src="attachments/dvbbs/2006-6/200661114531566480.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2006-6/200661114531566480.jpg\');}" onmousewheel="return imgzoom(this);" alt="" /><o:p></o:p></P>
<P><FONT face=宋体>把印板图放大看看：）</FONT> <o:p></o:p></P>
<P><img src="attachments/dvbbs/2006-6/20066111454962580.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2006-6/20066111454962580.jpg\');}" onmousewheel="return imgzoom(this);" alt="" /><o:p></o:p></P>
<P><FONT face=宋体>印板的细节，很粗糙吧！</FONT> <o:p></o:p></P>
<P><img src="attachments/dvbbs/2006-6/200661114545959064.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2006-6/200661114545959064.jpg\');}" onmousewheel="return imgzoom(this);" alt="" /><o:p></o:p></P>
<P><FONT face=宋体>焊接调试完成的“一家人”！马上就要团圆了：）</FONT> <o:p></o:p></P>
<P><img src="attachments/dvbbs/2006-6/200661114563043135.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2006-6/200661114563043135.jpg\');}" onmousewheel="return imgzoom(this);" alt="" /><o:p></o:p></P>
<P><FONT face=宋体>“心脏”恒流板的特写</FONT> <FONT face=宋体>。<o:p></o:p></FONT></P>
<P><FONT face=宋体>做外壳和设计印板我用了</FONT>22<FONT face=宋体>：</FONT>30<FONT face=宋体>至</FONT>6<FONT face=宋体>：</FONT>00<FONT face=宋体>的时间，磨制印板至调试组装完毕</FONT>2<FONT face=宋体>个半小时。<o:p></o:p></FONT></P>
<P><FONT face=宋体>按本电路的元件，将</FONT>0.33<FONT face=宋体>欧取样电阻的压降调整为</FONT>0.132<FONT face=宋体>Ｖ，此时ｌｄ电流约</FONT>400<FONT face=宋体>ｍＡ（我想宝宝能活的长寿一些，就按厂家预设的</FONT>400<FONT face=宋体>ｍＡ来了），</FONT>20<FONT face=宋体>Ｋ可调电阻经数字表测量，总阻值</FONT>19.87<FONT face=宋体>ｋ，上电阻</FONT>16.55<FONT face=宋体>ｋ，下电阻</FONT>3.32<FONT face=宋体>ｋ，分别用</FONT>14.2<FONT face=宋体>ｋ＋</FONT>2.2<FONT face=宋体>ｋ和</FONT>3.3<FONT face=宋体>ｋ固定电阻代换，经测量</FONT>0.33<FONT face=宋体>取样电阻压降仍为</FONT>0.133<FONT face=宋体>Ｖ，调试完成！<o:p></o:p></FONT></P>
<P><img src="attachments/dvbbs/2006-6/200661114573712533.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2006-6/200661114573712533.jpg\');}" onmousewheel="return imgzoom(this);" alt="" /><o:p></o:p></P>
<P><FONT face=宋体>完成了，聚焦了在烧火柴杆，可以烧个黑点出来<o:p></o:p></FONT></P>
<P><img src="attachments/dvbbs/2006-6/20066111459757621.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2006-6/20066111459757621.jpg\');}" onmousewheel="return imgzoom(this);" alt="" /><o:p></o:p></P>
<P><FONT face=宋体>完工后从电池腔的方向看看！<o:p></o:p></FONT></P>
<P><img src="attachments/dvbbs/2006-6/20066111503746641.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2006-6/20066111503746641.jpg\');}" onmousewheel="return imgzoom(this);" alt="" /><o:p></o:p></P>
<P><FONT face=宋体>恒流特性测试：<o:p></o:p></FONT></P>
<P><FONT face=宋体>电池电压</FONT>4.0<FONT face=宋体>Ｖ时电路总电流</FONT>400<FONT face=宋体>ｍＡ</FONT> <o:p></o:p></P>
<P><img src="attachments/dvbbs/2006-6/20066111542955260.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2006-6/20066111542955260.jpg\');}" onmousewheel="return imgzoom(this);" alt="" /><o:p></o:p></P>
<P><FONT face=宋体>电池电压</FONT>3.65<FONT face=宋体>Ｖ时电路总电流</FONT>400<FONT face=宋体>ｍＡ</FONT> <o:p></o:p></P>
<P><img src="attachments/dvbbs/2006-6/20066111582562985.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2006-6/20066111582562985.jpg\');}" onmousewheel="return imgzoom(this);" alt="" /><o:p></o:p></P>
<P><FONT face=宋体>电池电压</FONT>3.4<FONT face=宋体>Ｖ时电路总电流</FONT>390<FONT face=宋体>ｍＡ</FONT><o:p></o:p></P>
<P><img src="attachments/dvbbs/2006-6/2006611159410653.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2006-6/2006611159410653.jpg\');}" onmousewheel="return imgzoom(this);" alt="" /><o:p></o:p></P>
<P><FONT face=宋体>结论，本设计中，恒流电路在锂电放电曲线的中部（</FONT>4.2<FONT face=宋体>～</FONT>3.6<FONT face=宋体>Ｖ）电流基本恒定（</FONT>3.4<FONT face=宋体>Ｖ电流开始下降，</FONT>3<FONT face=宋体>Ｖ时电流</FONT>370<FONT face=宋体>ｍＡ，看来要装一个白光二极管监视电池电压防止过放），达到设计要求。电路温升，因为没有专门的仪器，连续工作十分钟后外壳温热。总体来讲效果比较理想：）到这了大家别用东西扔我啊！只是想和大家分享一下完成一项玩具的喜悦！仅仅而已！动手能力较强的朋友可以尝试一下看看：）<o:p></o:p></FONT></P>
<P><FONT face="Times New Roman"><o:p></o:p></FONT></P>
[此贴子已经被作者于2006-6-11 15:54:39编辑过]
<P>多谢ｒａｉｎｂｏ兄的夸奖！</P>
<P>我的18650挺多的（将近20节）都是二手的，容量基本只有1400ｍＡｈ左右，现在都处于闲置状态，这个电路400ｍＡ的消耗，也就只能连续供应3.5小时，太短了！我其他的电池都不到1000ｍＡｈ，更没戏。</P>
<P>对你的遭遇深表同情！烧的都是钱呀！我这人比较保守，厂家说400ｍＡ就这样吧！</P> 不错呀，很好啊 呵呵！体积还是有点大了！长宽高79*55*31.5。 <P>真不错，超强动手能力。</P>
<P>但为什么3<FONT face=宋体>Ｖ时电流</FONT>370<FONT face=宋体>ｍＡ？我试验时2.8V也没怎么下降。是2.5V的基准没被提供足够的电流（至少0.4mA来维持2.5V）？还是D882的饱和特性不太好？当然，我用的电流采样电阻是0.1欧的，那样其压降小一些。</FONT></P> <P>谢谢！其实这个电路并不复杂的：）ｌｙｍｅｘ有空把你的电路上个图看看好吗？</P>
<P>分析一下低电压下电流下降的原因：</P>
<P> 我的电路上为了减轻Ｄ８８２的负担，在ｌｄ阳极至电源正极串了一个1欧电阻。 算算看：3Ｖ-（0.37Ｖ+1.88Ｖ+0.1221Ｖ）＝0.6279Ｖ，难怪了Ｄ８８２Ｕｃｅ才0.6279Ｖ，已经快不能工作了，普通ｎｐｎ管最低要求Ｕｃｅ>1Ｖ，这个问题跟基准电压没有关系的：）</P> <P>上个照片看看大小：）</P>
<P><br><br><br><br></P> <P>电流调到550mA试试,激光亮度会有明显提高.原装模组散热性能很好,不用担心寿命问题.原厂设定400mA是为了能适应连续数小时的使用.</P>
回复：（jhbhb）电流调到550mA试试,激光亮度会有明显提...
<P>我的电路，散热设计并不好，体积要小还是完全密封的，电流只调到400ｍＡ，也是为了兼顾工作的安全性。</P>回复：（ujff0574）我有管子 电流在5A下，Uce也只有0....
<P>哦！我是业余爱好者，所能接触的元件十分有限，能告诉我你那管子是什么型号吗？先谢谢了：）</P><P>在这个电路上，仅仅是压降小还不行，还要满足散热的需要，贴片元件小是很小，可是在电池满电、工作电流400ｍＡ时，它的压降会到1.788Ｖ，功耗会达到715.5ｍｗ，即使是加了散热器也效果一般般。所以只想知道它的型号，然后买正常封装的来改善我的电路的性能。</P> <P>呵呵，我要一个的哦：）</P>
回复：（wdunreal）呵呵，我要一个的哦：）
已经有532ｎｍ５０ｍｗ模组了吗？即使我把电池盒和电路做出来了，也还要你自己焊接ｌｄ连线、粘合正极挡片哦！ <P>昨天又拍了几张效果图，相机质量太菜，大家凑合看看吧：）</P><P><br><br><br><br><br></P> <DIV class=quote><B>以下是引用<I>wys111</I>在2006-6-12 10:32:23的发言：</B><br>
<P>谢谢！其实这个电路并不复杂的：）ｌｙｍｅｘ有空把你的电路上个图看看好吗？</P>
<P>分析一下低电压下电流下降的原因：</P>
<P> 我的电路上为了减轻Ｄ８８２的负担，在ｌｄ阳极至电源正极串了一个1欧电阻。 算算看：3Ｖ-（0.37Ｖ+1.88Ｖ+0.1221Ｖ）＝0.6279Ｖ，难怪了Ｄ８８２Ｕｃｅ才0.6279Ｖ，已经快不能工作了，普通ｎｐｎ管最低要求Ｕｃｅ>1Ｖ，这个问题跟基准电压没有关系的：）</P></DIV>
<P>
<P>原来如此。我的电路在此，当时是为3W红外管做的，因此电流比较大，最大是5A。图方便简单的焊过试验过，但没有装。由于没装散热，5A下1秒就热了，只够间歇测量用。串联的3个硅整流二极管做假负载。</P>
<P>电路图中的9012实际应为9013。</P>
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[此贴子已经被作者于2006-6-13 19:14:13编辑过]
谢谢了！图已经收藏，可以拓展思路用！c1983按图上的位置，管脚是ｂ、ｃ、ｅ吧？你开始准备用什么供电呢？锂电好像没有单节容量那样大的，用低压开关电源才是最好是了：）而且按照图中的设计，3Ｗ红外线激光管的压降是1.85Ｖ左右吧？那么你的ｃ１９８３消耗的功率基本占一半去了，你的方案用<FONT face=Verdana><STRONG>ujff0574</STRONG>提出的恒流开关电源是最合适的了，效率应该可以到90％了：）</FONT> <DIV class=quote><B>以下是引用<I>wys111</I>在2006-6-13 11:53:19的发言：</B><BR>谢谢了！图已经收藏，可以拓展思路用！c1983按图上的位置，管脚是ｂ、ｃ、ｅ吧？你开始准备用什么供电呢？锂电好像没有单节容量那样大的，用低压开关电源才是最好是了：）而且按照图中的设计，3Ｗ红外线激光管的压降是1.85Ｖ左右吧？那么你的ｃ１９８３消耗的功率基本占一半去了，你的方案用<FONT face=Verdana><STRONG>ujff0574</STRONG>提出的恒流开关电源是最合适的了，效率应该可以到90％了：）</FONT></DIV>
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<P>我这个电路必须用轨-轨运放，普通的（比如LM358）电压拉不上去。</P>
<P>c1983是高Beta管，管脚是ｂ、ｃ、ｅ。供电就用锂电，是三节并联的。我并不太讲究效率，太复杂了而且有危险。两套电池间歇使用容量不成问题。</P> <P>照片好看啊！！！</P>